634904327 has 2 divisors, whose sum is σ = 634904328. Its totient is φ = 634904326.

The previous prime is 634904317. The next prime is 634904353. The reversal of 634904327 is 723409436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634904327 - 2¹⁴ = 634887943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634904317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317452163 + 317452164.

It is an arithmetic number, because the mean of its divisors is an integer number (317452164).

Almost surely, 2^634904327 is an apocalyptic number.

634904327 is a deficient number, since it is larger than the sum of its proper divisors (1).

634904327 is an equidigital number, since it uses as much as digits as its factorization.

634904327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 634904327 is about 25197.3079316025. The cubic root of 634904327 is about 859.4806342207.

The spelling of 634904327 in words is "six hundred thirty-four million, nine hundred four thousand, three hundred twenty-seven".